Stat 211 module 8 quiz chooses are , =

Write the wall and altamative hypotheses you would use to test each of the situations in parts (a) through (c). () A president is concerned about his "positives, " that is, the percentage of the county's residents who express approval of his jub perfurrnance. His political committee pays for a series of TV ads, hoping that they can keep the positives above 70%. They will use follow up polling to assess the ade' effectiveness. Let p be the proportion of the country's residents who express approval of the president's performance. Ho p V 0.70 HA (b) is an eight-sided die for? Let p represent the probetilly of the die arcing on any particular cide. 4 HO P Y -10 10 HA PY (c) Cinly about 26%% of people who try to earn more money succeed. Selers of a motivational tape cia'm that listening to the recorded messages can help people succeed. Let p be the proportion of people who try to cam more money and succeed Ho p V 0.26 HA P 0.25